Wow! Fenix has taken the TK75 from 2900 Lumens to an astonishing 4000 lumens! Look no further if you need a compact flashlight with a phenomenal lumen output as well as beam throw. The Fenix TK75 LED flashlight, with a length of only 7.3 inches, generates a powerful 4000 lumens and is perfect for search and rescue, caving, hunting, or any environment which requires maximum lighting. Imagine a maximum throw of 2,232 (650 meters) feet along with SOS, Strobe, and 4 brightness outputs. Because of the portable, lightweight handling as well as long runtime, the TK75 has become a favorite of those needing optimal performance in extended terrains.